发明名称 |
IMPROVEMENTS TO FIRE VALVES AND SMOKE SHUTTERS |
摘要 |
The present invention relates to a shut-off element (11) for a fire protection device and notably for fire valves and smoke shutters. This shut-off element is characterized in that it is made from a sand-lime material, the allotropic form of which is of amorphous type. |
申请公布号 |
WO2015140463(A1) |
申请公布日期 |
2015.09.24 |
申请号 |
WO2015FR50649 |
申请日期 |
2015.03.17 |
申请人 |
CONCEPTS ET DEVELOPPEMENTS EN PROTECTION INCENDIE |
发明人 |
LOURDEL, DOMINIQUE |
分类号 |
F16K1/22;A62C2/12;C04B35/22 |
主分类号 |
F16K1/22 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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